I think I know why. The saliva in our mouth is what makes it feel "wet". Saliva is thicker than water. When you drink water it washes the slicker saliva away, leaving a drier feel. It happens when I brush my teeth, too.

Just my opinion, maybe someone knows more?

Katie

"Whatever you can do or dream you can, begin it. Boldness has genius, power and magic in it. Begin it now."
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